<template>
  <el-aside :width="width">
    <el-menu background-color="#545c64" text-color="#fff" :collapse="isCollapse" :collapse-transition="false"
      :default-active="activeMenu">
      <h3 v-show="!isCollapse">后台管理系统</h3>
      <h3 v-show="isCollapse">后台</h3>

      <el-menu-item v-for="item in noChildren" :index="item.path" :key="item.path" @click="handleMenu(item)">
        <component class="icons" :is="item.icon"></component>
        <span>{{ item.label }}</span>
      </el-menu-item>

      <el-sub-menu v-for="item in hasChildren" :index="item.path" :key="item.path">
        <template #title>
          <component class="icons" :is="item.icon"></component>
          <span>{{ item.label }}</span>
        </template>

        <el-menu-item-group>
          <el-menu-item v-for="(subItem, subIndex) in item.children" :index="subItem.path" :key="subItem.path"
            @click="handleMenu(subItem)">
            <component class="icons" :is="subItem.icon"></component>
            <span>{{ subItem.label }}</span>
          </el-menu-item>
        </el-menu-item-group>
      </el-sub-menu>
    </el-menu>
  </el-aside>
</template>

<script setup>
import { ref, computed } from 'vue'
// 引入store
import { useAllDataStore } from '../stores/index.js'
// 引入路由跳转
import { useRoute, useRouter } from 'vue-router'
// 遍历每个菜单
/* const list = ref([
  {
    path: '/home',
    name: 'home',
    label: '首页',
    icon: 'house',
    url: 'Home'
  },
  {
    path: '/mall',
    name: 'mall',
    label: '商品管理',
    icon: 'video-play',
    url: 'Mall'
  },
  {
    path: '/user',
    name: 'user',
    label: '用户管理',
    icon: 'user',
    url: 'User'
  },
  {
    path: 'other',
    label: '其他',
    icon: 'location',
    children: [
      {
        path: '/page1',
        name: 'page1',
        label: '页面1',
        icon: 'setting',
        url: 'Page1'
      },
      {
        path: '/page2',
        name: 'page2',
        label: '页面2',
        icon: 'setting',
        url: 'Page2'
      }
    ]
  }
]) */
// 动态绑定菜单数据，和登录做联动
const list = computed(() => store.state.menuList)

const noChildren = computed(() => list.value.filter(item => !item.children))
const hasChildren = computed(() => list.value.filter(item => item.children))
const store = useAllDataStore()
const isCollapse = computed(() => store.state.isCollapse)
// 伸缩菜单栏width宽度
const width = computed(() => store.state.isCollapse ? '64px' : '180px')
// 路由跳转 点击handleMenu函数 进行跳转便利
const router = useRouter()
const route = useRoute()
// 点击菜单按钮颜色变为主题色
const activeMenu = computed(() => route.path)
const handleMenu = (item) => {
  router.push(item.path)
  store.selectMenu(item)
}
</script>

<style lang="less" scoped>
.icons {
  width: 18px;
  height: 18px;
  margin-right: 5px;
}

.el-menu {
  border-right: none;

  h3 {
    line-height: 48px;
    color: #fff;
    text-align: center;
  }
}

.el-aside {
  height: 100%;
  background-color: #545c64;
}
</style>
